Year Per Capita 1990 18040 1991 15720 1992 14780 1993 15640 1994 16660 1995 17610 1996 18320 1997 18710 1998 18970 1999 19610 2000 20050 2001 20540 2002 21310 2003 21360 2004 22620 2005 23010 2006 24020 2007 25570 2008 26510 2009 24940 2010 24940 2011 24360